mythtv-setup: Change the xmltvid setting to an editable combo and fil…

…l with ids.

Attempts to load some xmltvids for the source the channel belongs to make it
easier to set the correct xmltvid for the channel.

mythtv/libs/libmythtv/channelsettings.cpp

@@ -1,9 +1,11 @@
 #include <QWidget>
+#include <QFile>
 
 #include "channelsettings.h"
 #include "cardutil.h"
 #include "channelutil.h"
 #include "programinfo.h" // for COMM_DETECT*, GetPreferredSkipTypeCombinations()
+#include "mythdirs.h"
 
 QString ChannelDBStorage::GetWhereClause(MSqlBindings &bindings) const
 {
@@ -229,12 +231,12 @@ class OutputFilters : public LineEditSetting, public ChannelDBStorage
     }
 };
 
-
-class XmltvID : public LineEditSetting, public ChannelDBStorage
+class XmltvID : public ComboBoxSetting, public ChannelDBStorage
 {
   public:
-    XmltvID(const ChannelID &id) :
-        LineEditSetting(this), ChannelDBStorage(this, id, "xmltvid")
+    XmltvID(const ChannelID &id, const QString &_sourceName) :
+        ComboBoxSetting(this, true), ChannelDBStorage(this, id, "xmltvid"),
+        sourceName(_sourceName)
     {
         setLabel(QObject::tr("XMLTV ID"));
         setHelpText(QObject::tr(
@@ -243,6 +245,47 @@ class XmltvID : public LineEditSetting, public ChannelDBStorage
                         "and a channel in their database. Normally this is "
                         "set automatically when 'mythfilldatabase' is run."));
     }
+
+    void Load(void)
+    {
+        fillSelections();
+        ChannelDBStorage::Load();
+    }
+
+    void fillSelections(void)
+    {
+        clearSelections();
+
+        QString xmltvFile = GetConfDir() + '/' + sourceName + ".xmltv";
+
+        if (QFile::exists(xmltvFile))
+        {
+            QFile file(xmltvFile);
+            if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+                return;
+
+            QStringList idList;
+
+            while (!file.atEnd())
+            {
+                QByteArray line = file.readLine();
+
+                if (line.startsWith("channel="))
+                {
+                    QString id = line.mid(8, -1).trimmed();
+                    idList.append(id);
+                }
+            }
+
+            idList.sort();
+
+            for (int x = 0; x < idList.size(); x++)
+                addSelection(idList.at(x), idList.at(x));
+        }
+    }
+
+  private:
+    QString sourceName;
 };
 
 class CommMethod : public ComboBoxSetting, public ChannelDBStorage
@@ -375,11 +418,12 @@ ChannelOptionsCommon::ChannelOptionsCommon(const ChannelID &id,
     addChild(new Name(id));
 
     Source *source = new Source(id, default_sourceid);
+    source->Load();
 
     HorizontalConfigurationGroup *group1 =
         new HorizontalConfigurationGroup(false,false,true,true);
-    HorizontalConfigurationGroup *bottomhoz =
-        new HorizontalConfigurationGroup(false, true);
+    VerticalConfigurationGroup *bottomhoz =
+        new VerticalConfigurationGroup(false, true);
     VerticalConfigurationGroup *left =
         new VerticalConfigurationGroup(false, true);
     VerticalConfigurationGroup *right =
@@ -398,7 +442,7 @@ ChannelOptionsCommon::ChannelOptionsCommon(const ChannelID &id,
     group1->addChild(right);
 
     bottomhoz->addChild(onairguide = new OnAirGuide(id));
-    bottomhoz->addChild(xmltvID = new XmltvID(id));
+    bottomhoz->addChild(xmltvID = new XmltvID(id, source->getSelectionLabel()));
     bottomhoz->addChild(new TimeOffset(id));
 
     addChild(group1);
@@ -465,6 +509,7 @@ void ChannelOptionsCommon::sourceChanged(const QString& sourceid)
 
     onairguide->setEnabled(supports_eit);
     xmltvID->setEnabled(!uses_eit_only);
+    xmltvID->Load();
 }
 
 ChannelOptionsFilters::ChannelOptionsFilters(const ChannelID& id) :